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Finding the Fourth Proportional to 226,897.50, 340,501.77 and 79,153.50

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Solution

The fourth proportional to 226,897.50, 340,501.77 and 79,153.50 is: 118,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,897.50 : 340,501.77 = 79,153.50 : x
  2. Step 2: Convert to fraction form
    226,897.50/340,501.77 = 79,153.50/x
  3. Step 3: Cross multiply
    226,897.50x = 340,501.77 × 79,153.50
  4. Step 4: Simplify right side
    226,897.50x = 26,951,906,851.70
  5. Step 5: Solve for x
    x = 26,951,906,851.70/226,897.50
  6. Step 6: Final answer
    x = 118,784.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.